This product includes 5 polishing attachments, a portable case, and a nail protection device, totaling 7 items. Comes in color box packaging. Made with high-quality ABS raw materials. This product uses two AA batteries and features a high-quality, quiet motor. Ergonomically designed for a fashionable and comfortable experience. The four grinding heads are interchangeable for convenient use and are safe, preventing harm to your hands. Instructions: No. 1 Metal Polishing Head: Polishes nail corners, thick dead skin, and calluses. No. 2 Grinding Head: Pointed grinding, for nail corners. No. 3 Grinding Head: Cylindrical grinding, for the heel of the nail. No. 4 Grinding Head: Disc grinding, making the cut of nails smoother. No. 5 Polishing Head: Brush and polish the nail surface. This small manicure device saves you time and effort, making it easy to achieve beautiful nails. Give your delicate fingers a professional touch in just ten minutes. Size: Approximately 16 cm long. Power: Uses 2 AA batteries (not included).